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Import of the watch repository from Pebble

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Matthieu Jeanson 2024-12-12 16:43:03 -08:00 • committed by Katharine Berry
commit 3b92768480
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43
third_party/nanopb/examples/network_server/common.c vendored Normal file
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/* Simple binding of nanopb streams to TCP sockets.
*/
#include <sys/socket.h>
#include <sys/types.h>
#include <pb_encode.h>
#include <pb_decode.h>
#include "common.h"
static bool write_callback(pb_ostream_t *stream, const uint8_t *buf, size_t count)
{
int fd = (intptr_t)stream->state;
return send(fd, buf, count, 0) == count;
}
static bool read_callback(pb_istream_t *stream, uint8_t *buf, size_t count)
{
int fd = (intptr_t)stream->state;
int result;
if (count == 0)
return true;
result = recv(fd, buf, count, MSG_WAITALL);
if (result == 0)
stream->bytes_left = 0; /* EOF */
return result == count;
}
pb_ostream_t pb_ostream_from_socket(int fd)
{
pb_ostream_t stream = {&write_callback, (void*)(intptr_t)fd, SIZE_MAX, 0};
return stream;
}
pb_istream_t pb_istream_from_socket(int fd)
{
pb_istream_t stream = {&read_callback, (void*)(intptr_t)fd, SIZE_MAX};
return stream;
}